Sony BRAVIA XBR-55X900A Operating Instructions Manual page 40

Be sure to register your TV.
United States http://productregistration.sony.com
Canada http://www.sony.ca/registration
Your TV is capable of receiving software updates. For the
latest information about software updates for your TV, visit:
United States http://www.sony.com/tvsupport
Canada http://www.sony.ca/support
NOTE: If your TV is connected to the Internet, you can check
for software updates by selecting Settings, Product
Support and then Software Update.
http://www.sony.ned
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